时间:2018-12-01 作者:英语课 分类:英语专业四级听力50篇


英语课

We use plastic wrap 1 to protect our foods. We put our garbage in plastic bags or plastic cans. We sit on plastic chairs, play with plastic toys, drink from plastic cups, and wash our hair with shampoo 2 from plastic bottles!

Plastic does not grow in nature. It is made by mixing certain things together. We call it a produced or manufactured 3 material. Plastic was first made in the 1860s from plants, such as wood and cotton. That plastic was soft and burned easily.



The first modern plastics were made in the 1930s. Most clear plastic starts out as thick, black oil 4. That plastic coating inside a pan 5 begins as natural gas.

Over the years, hundreds of different plastics have been developed. Some are hard and strong. Some are soft and bendable 6. Some are clear. Some are many-colored. There is a plastic for almost every need. Scientists continue to experiment with plastics. They hope to find even ways to use them!



1 wrap
n.外套,围巾,包裹,限制,约束,秘密;vt.包装,卷,缠绕,包,裹,覆盖,遮蔽,隐藏
  • You'd better wrap it with a piece of clean cloth.你最好用一块干净的布把它包起来。
  • You can wrap the skirt around your waist.你可以把裙子围在腰间。
2 shampoo
n.洗发精;洗发香波
  • I like to use shampoo to wash my hair.我喜欢用洗发水洗头发。
  • Do you have shampoo here?你有洗发膏吗?
3 manufactured
adj.人造的v.(大规模)制造( manufacture的过去式和过去分词 );捏造;加工;粗制滥造(文学作品)
  • a news story manufactured by an unscrupulous journalist 一位不道德的记者编造的一篇报道
  • We want the machine manufactured to our own spec. 我们要求这台机器按我们自己的规格来制造。
4 oil
n.油,油画颜料;v.涂油,溶化,加油
  • China is rich in oil resources.中国的石油资源丰富。
  • It might need some oil.它大概需要一些油。
5 pan
n.平底锅;v.严厉批评
  • The water had all boiled away and the pan was burned.水煮干了,锅也烧坏了。
  • The eggs were frying in the pan.鸡蛋正在锅里煎。
6 bendable
可弯曲的
  • Grilamid frame: flexible, bendable and lightweight. Grilamid框架:灵活,可弯曲,重量轻。 来自互联网
  • It is based on a bendable rubber track that guarantees maximum traction asas freely changeable directions. 它是基于轨道,保证最高可折橡皮牵引以及自由多变的方向。 来自互联网
学英语单词
adelie lands
air bleedeer
Alfonso II
Amlame
anticaptivity
Austrofascist
automatic control station
Avu, L.
beech bark disease
binoculate
bird's-eye pique
bottom edge of digit
Cachimbo, Sa.do
Cefalothin
ceruleans
challoners
chopping relay
close margin of profit
clothes baskets
Colbac
congenital absence of ejaculatory duct
cosiner
crittenton
crustal low-velocity zone
cuchulains
cutlass-fish(es)
cxv
diminished value
Dokkas
double acting click
dynamic data system (dds)
F clefs
facies lateralis ossis zygomatici
feel reverence for
flake aluminium
frighten someone out of his mind
funding liquidity risk
geniculate ganglionitis
get oneself in hand
ghost condensate
hardware handshake
heavy-duty relay
hello everyone
hoick
hovenine a
ideal solution
illegal agreement
intramandibular anchorage
ivold
japygid
keg rolling machine
Kumonda
liquidated damage
make end meet
mechanical descaling
mechanochemistry
Megala Kalyvia
merpatis
migrate
military ranks
moondream
nasa-tlx
niche audience
Okeghem
ortho test
overwears
partial CAV
phototoxic
plan of capital repair
play sb a dirty trick
polydeistically
post-cold-wars
production capacity
PSEUDOECHINOIDEA
pulpy disease
raise the market
reciprocal teaching
research starting places
ruggedized packaging
Sampa
sangrias
shimming coil
sigmoidcathete
size-weight ratio
slights
snuff-mull
sound field calibration
stilette
stress degree of freedom
Synotis hieraciifolia
tampin
terminatory
thoracic ganglions
tially
Tiguézéfene
two-stage
uredo tainiae
validate form
var. articulus naviculocuboideus
vosge
wooden crossarm
Your mileage may vary.